Frederic Chopin Fantaisie Impromptu in C sharp minor, Op 66

Frédéric Chopin Fantaisie Impromptu in C minor Op. posth. 66 was composed in 1834 as were the Four Mazurkas (Op. 17) and the Grande valse brillante in E major (Op. 18), and published posthumously in 1855 even though Chopin had instructed that none of his unpublished manuscripts be published. The FantaisieImpromptu is one of Chopin s most frequently performed and popular compositions. Chronologically the first of Chopins impromptus, the FantasyImpromptu was not intended by the composer for publication. The assumption arose that it was withheld on account of a stated similarity unintentional, no doubt to the Impromptu in E flat major by Ignaz Moscheles. However, Arthur Rubinstein, who came into the possession of one of its manuscripts, assumes that this work was sold to a grande dame (the Baroness dEst), who simply wanted to have it as her exclusive property. One way or another, the C sharp minor Impromptu remained in the composers portfolio and, along with the other inedita, was supposed to have bee